Base | Representation |
---|---|
bin | 1110110101010… |
… | …01001111001001 |
3 | 22200010110020022 |
4 | 13122221033021 |
5 | 223323101121 |
6 | 20202510225 |
7 | 3040411400 |
oct | 732511711 |
9 | 280113208 |
10 | 124425161 |
11 | 64264513 |
12 | 35805375 |
13 | 1ca16173 |
14 | 1274c637 |
15 | adcbaab |
hex | 76a93c9 |
124425161 has 6 divisors (see below), whose sum is σ = 144739530. Its totient is φ = 106650096.
The previous prime is 124425149. The next prime is 124425173. The reversal of 124425161 is 161524421.
It is an interprime number because it is at equal distance from previous prime (124425149) and next prime (124425173).
It can be written as a sum of positive squares in only one way, i.e., 111429136 + 12996025 = 10556^2 + 3605^2 .
It is not a de Polignac number, because 124425161 - 214 = 124408777 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 124425161.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124425061) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1269596 + ... + 1269693.
It is an arithmetic number, because the mean of its divisors is an integer number (24123255).
Almost surely, 2124425161 is an apocalyptic number.
It is an amenable number.
124425161 is a deficient number, since it is larger than the sum of its proper divisors (20314369).
124425161 is an equidigital number, since it uses as much as digits as its factorization.
124425161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2539303 (or 2539296 counting only the distinct ones).
The product of its digits is 1920, while the sum is 26.
The square root of 124425161 is about 11154.6026823011. The cubic root of 124425161 is about 499.2323700918.
Adding to 124425161 its reverse (161524421), we get a palindrome (285949582).
The spelling of 124425161 in words is "one hundred twenty-four million, four hundred twenty-five thousand, one hundred sixty-one".
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